Upon receiving the body of a maid in waiting who was said to have hung herself within the palace walls, dedicated doctor Chun-ryung begins to suspect foul play. Upon launching a personal investigation, however, Chun-ryung quickly discovers a labyrinthine maze of deception constructed by those with limitless power to conceal a valuable secret.
| Directing | Kim Mee-jeung | Director |
| Writing | Kim Mee-jeung | Writer |
| Writing | Choi Seok-hwan | Writer |
| Production | Lee Joon-ik | Producer |
| Art | Lee Ha-jun | Production Design |
| Camera | Lee Hyung-deok | Director of Photography |
| Costume & Make-Up | Shim Hyun-seob | Costume Design |
| Editing | Kim Jae-beom | Editor |
| Editing | Kim Sang-bum | Editor |
| Production | Park Seong-il | Line Producer |
| Sound | Park Yong-gi | Sound Re-Recording Mixer |
| Art | Park Jae-wan | Props |
| Sound | Oh Sung Jin | Sound Effects |
| Costume & Make-Up | Shin Jae-ho | Special Effects Makeup Artist |
| Visual Effects | Han Tae-jung | VFX Supervisor |
